私下知悉，默契几个人共同知道的秘密或隐秘的事情，尤指一致赞同或同意。
Knowledge of something private or secret shared between individuals, especially with the implication of approval or consent.
私下知悉，默契几个人共同知道的秘密或隐秘的事情，尤指一致赞同或同意。
Knowledge of something private or secret shared between individuals, especially with the implication of approval or consent.
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